FreeBSD : isc-dhcp-client -- dhclient does not strip or escape shell meta-characters (7e69f00d-632a-11e0-9f3a-001d092480a4)

High Nessus Plugin ID 53346


The remote FreeBSD host is missing one or more security-related updates.


ISC reports :

ISC dhclient did not strip or escape certain shell meta-characters in responses from the dhcp server (like hostname) before passing the responses on to dhclient-script. Depending on the script and OS, this can result in execution of exploit code on the client.


Update the affected packages.

See Also

Plugin Details

Severity: High

ID: 53346

File Name: freebsd_pkg_7e69f00d632a11e09f3a001d092480a4.nasl

Version: $Revision: 1.7 $

Type: local

Published: 2011/04/11

Modified: 2013/06/22

Dependencies: 12634

Risk Information

Risk Factor: High


Base Score: 7.5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:P

Vulnerability Information

CPE: p-cpe:/a:freebsd:freebsd:isc-dhcp31-client, p-cpe:/a:freebsd:freebsd:isc-dhcp41-client, cpe:/o:freebsd:freebsd

Required KB Items: Host/local_checks_enabled, Host/FreeBSD/release, Host/FreeBSD/pkg_info

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 2011/04/10

Vulnerability Publication Date: 2011/04/05

Exploitable With


Reference Information

CVE: CVE-2011-0997

CERT: 107886